FREE Samples of Sun Crystals and SplendaMarch 18, 2010 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Sun Crystals are natural sweeteners that are made from 100% natural ingredients. Currently, you can go here and fill out the simple form to get a FREE sample! You can also print a $1/1 coupon here.Splenda is also offering FREE samples! Go here to snag FREE sample packets of coffee mocha or coffee Hazelnut. Your samples should arrive within 2-3 weeks.